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Boss OL4KD

4000W Max, Class D Monoblock Outlaw Series Amplifier

2.5

(4 reviews)

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The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • Boss Outlaw Monoblock Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 1550 watts x 1 chan.
  • Max power output:
    • 1 ohms: 4000 watts x 1 chan.
    • 2 ohms: 2800 watts x 1 chan.
  • Wired remote bass level control included
  • Power and Protection LED indicators
  • Tuned Bass EQ (0-18 dB bass boost)
  • Strapping capability: Strap two amps together for twice the power
  • Input sensitivity selector
  • Preamp RCA outputs
  • Gain control
  • Heavy duty aluminum alloy heatsink
  • RCA level inputs
  • Screw terminals
  • Variable low-pass filter (50-150 Hz)
  • Subsonic Filter (15-40 Hz)
  • Frequency response: 50-150 Hz
  • Dimensions: 14-3/16"L x 11-5/16"W x 2-5/8"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year Manufacturer's warranty
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms1550 watts x 1 channel
RMS Power @ 2 ohmsNot Specified
RMS Power @ 1 ohmNot Stable
Peak Power Output4000 watts x 1 channel
Amplifier Specifications
Amplifier ClassD
Number of Channels1 - Mono
Total Peak Power Output4000 watts
Total RMS Power Output1550 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged1 ohms
Minimum Impedance BridgedN/A
THD at Rated RMS Power1%
Speaker Level InputsNo
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-Pass Crossover FrequencyN/A
Low-Pass Crossover Frequency50 - 150 Hz
Subsonic Filter15 - 40 Hz
Signal-to-Noise Ratio100 dB
Channel SeparationN/A
Bass Boost0 - 18 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating30A x 3 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration6 years
Labor Warranty Duration6 years
Warranty ProviderManufacturer
Customer Review Summary for Boss OL4KD
Average Customer Rating is 2.5 out of 5 stars:
2.5
based on 4 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
.
.
25%
4 star:
.
0%
3 star:
.
.
25%
2 star:
.
0%
1 star:
.
.
50%
what's this?
Average Attributes Rating:
Durability
2.5
Value
4.0
Features
3.0
Design
3.5
Usability
3.0
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
April 19, 2011 Boss OL4KD is the Best
Review by
Eazy from Riviere Pilote, Martinique
Overall
Durability
Value
Features
Design
Usability
It's unbelievable... Boss OL4KD is the best... And Just the best... U want a choice... make Boss OL4KD Your Choice
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February 14, 2011 boss
Review by
boss from rochester
Overall
Durability
Value
Features
Design
Usability
I have this amp pushing 2 Kicker L5 and does this s*** hit at 4 ohm never herd better you just got to wire it right
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September 16, 2010 Yes the value is good bout the amp is not
Review by
CASS from Houston Tx
Overall
Durability
Value
Features
Design
Usability
This is not a good amp it is not worth a dam it did not last a good 3 days be for i had to take it out of my ride and i only have 2 15inch Q power sub in my cadillac
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May 15, 2010 do not buy
Review by
brian from Pittsfield, MA
Overall
Durability
Value
Features
Design
Usability
do not buy this amp. i tested this amp and at 1ohm i was only getting around 400watts. it broke on me twice. i thought i wasn't going to get that ripped off going cheep but only 400watts out of 4000 max at 1ohm lol that is just horrible.
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Related products
No picture
Boss Outlaw Monoblock Class D Car Amplifier • 1550W x 1 Chan. @ 4 ohms • 2800W x 1 Chan. @ 2 ohms • 4000W x 1 Chan. @ 1 ohms • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

Product Summary

Manufacturer: Boss
Model number: OL4KD
UPC: 791489107778
Weight: 15.00 lbs
Internal SKU: ol4kd
Internal product ID: 14913
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Customer Testimonial

The best place to buy car audio. The service is excellent and the prices are the best period. Trust me, you will not find a better company. I personally went to sonicelectronix when I was in Valencia and was amazed how good the service was in person. Thank you sonic.

- Jim from sacramento

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